YUGENOX·JOBS

ML Technical Lead, Agentic Interactions

Sandbar · New York City

on-sitefull-timeData & AnalyticsMachine Learning

About the role

About Sandbar

Sandbar is an interface company in New York City. We aim to expand human thinking. Our team has built software, ML, hardware, and consumer products across Meta, CTRL-labs, Apple, Peloton, and Equinox.

Our first product is Stream, a private voice ring that extends your thinking. Stream has been featured in WSJ, Bloomberg, Wired, and Time's Best Inventions of the Year.

Join us in creating technology that extends human thinking.

About

We're looking for a tech lead to design self-aligned agentic experiences in Stream, and lead the tightly focused team building it. Stream is a self extension, where personalization, privacy, and individual control are paramount.

This is a hands-on lead role for a consumer product, not a platform or research role. You will set the technical direction, build the end-user experience, and be responsible for an that agent works in the hands of general customers. You will work directly with the founders and the backend, iOS, and ML engineers building Stream.

Responsibilities

- Lead architecture, strategy, and tradeoffs for our ML-based products

- Design and improve user-facing model-based experiences, including agentic control, conversational interactions, and information retrieval.

- Develop infrastructure to rapidly develop, evaluate, and deploy models

- Optimize inference pipelines for latency, reliability, and concurrency

- Work closely with other ML/AI engineers, infrastructure engineers, designers, and cofounders on existing and future products

Qualifications

- 6+ years in machine learning experience

- Experience shipping ML-based products is required

- Experience in large-language model evaluation and post-training is required

- Experience in audio / voice ML is a plus

- Comfortable writing production-grade software

- Passion for human-computer interaction

- Experience setting technical direction and driving execution with multidisciplinary teams

FTE Benefits

- Health, vision, and dental benefits

- Company-sponsored 401(k)

- Unlimited PTO and sick time

- Early stage equity

Text as published by Sandbar. We don't edit postings; apply and ask questions on the employer's site.

USD 230k–290k
Apply on Sandbar's site →
Posted
Oct 17, 2026 (24 days ago)
First seen by us
Nov 7, 2026
Still listed
Nov 11, 2026
Source
Ashby board

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